Card game



INVENTOR C. Br'vwn BY KQ QA Q S;

ATTORNEY c. BROWN GARD GAME Filed March 7. '1928 March l2, 1929.

Patented Mar, l2, l929.

siren 'rara CLEETIs BROWN, or MANTECA, cALrronmA.

CARD GAME..

Application sied March 7, 192s. semaine'. 259,704.

This invention relates to indoor card games and particularly to one played With a deck Y of cards, my lprincipal object being to arrange the cards so that in the playing of the game, Which is particularly intended :tor chemistry students, the players will learn various fundamental facts of inorganic chemistry besides being entertained by the game.

The 0Vame is based upon the facts that metallic elements oit those of displacement series ('!s) combine With non-metallic velements' 12. Element-s that are gases under ordinary 0 conditions. 0

The above ob] ects are carried out by marking or printing the cards in a'particular manner as shown on the drawings and as Will now be explained.

On the drawings Figs. 1-3 show separate pairs of cards arranged together to .form separate compounds or formulas. Fig.- 4 is a face view of a single other card.

The cards, of which there are a suitable to number in the deck (about 48), are divided into groups embracing common radicals and elements, both metallic and non-metallic. 0n each radical card 1 the naine of the radlcal is prominently printed'asf at 2; on each metallic element card 3 the name ot the elenient d is likewise prominently printed; and on each non-metallic element card 5, the name of the element is printed. Also printed on all the cards under the identifying names is data 7 as to the solubility or insolubility of the substance in question and a list of other substances With which such substance forms a compound of soluble or insoluble nature.

The metallic element cards are provided with prominently displayed numbers 8, these numbers being arranged from 1 up and correspondingto the relative activity of the ele-l I areaal ment. ln other Words the potassium cardris 'numbered 1, this being the element having Y the greatest activity Vin the displacement series of metals replacing anyother metallic element, provided, of course, that the compounds ot the other elements are solublein Water.

ln all four ,cornersof all-,the cardsare placed lor signs 10, corresponding to the metallic or nonmetallic properties ,of

the numbers of such symbols designate the valenceof the element or radical of the card.V These signs also show the'electric chargesor uoY the substances Which the cards represent, and

ions carried 'When the element-is in a compound and in-ajWater solution. Underthe signs is the chemical symbol 110i the substance Which., in the dierent corners or the cards are printed in different vatomic values with others otdiiterent kinds. Under these rsymbols is printed the prefix or su'iX 12 of the compoundarranged so that When a pair of cards are properly matched, the name of the compound formed Will appear in easily y as is necessary When combining the substance 'y read order on the cards as clearly evident i from Figs. 1 to. Likewise the symbols 11 are similarly arranged so that the formula of the compound thus formed Will also be easily read.

rThe game is best played by a pair of partners against one or more pairs of opponents,

and the `object is particularly'to associate the cards in proper compound forming relation,

and also if possible to use the cards having higher values (as determined by the numbers 8 on the cards) than those laid down by v z the opponents, so as to take the tricks. Various arbitrary rules may be preparedl as *to the inode ot playing and as 'to the number of Y points counted for the tricks, for penalties an d other Jfeatures, which rules ot course can v be changed to suit if desired.

ln playing the cards are all dealt out tothe players. |The lirst player then lays down any card and is followed by his partner, `Whose card must beof opposite ionization from the first and which to count anythingy must form a correct formula or compound with the first card, and must'be laid down in a certain definite relation. In other Words it is not sufficient that the two cards merely be laid down adjacent each other on the table, but the suffix cardof a compound must be placed beyond the prefix card, and they must be 4which Figs. iw

turned sothat the atomicvalues represented in thecorners of-the cards Willvproperly cooperatey With each other to give the correct Vformula intended to be represented by the` cards. In other Words-the' cardsmustbe disposed so that the naine of the compound and t-lie formula thereof can be read directlyv acrossbetiveen adjacent corners of the-two cards as clearlyshoivn in the drawings.

ln forming the compound tin phosphate 4forinstance, it is necessary. to placethe cards sothat the correctforinula Sn3 (130,.)2 Will ,appear in that rorder oiiithe adjacent. corners rect'ivt, and soontill .the correct formula appears.

vrIn y hus playing the game itivill be evident that` the players vsoon .learn the. proper formulastheir naines, Whether soluble or insoluble,jas Well asfother facts which may be gleaned from an inspectionoffthe matched cards.

i fOiieof 4the opponents now plays. It the .compound above formedis soluble he may re place the-plus or positive card .provided he has one othigher displacement value (as indicated bythe numbers 8 on thecards) or he can add ajmiiius or negative card to make the compound insoluble. It thecoinpound is already insoluble v or* the opponent cannotv properly alter the composition of the same, he tries to make a compound of his 'own as above described, 1which compound in turn may be vchangedwby the rst player, and so on. iinypsu'ch changes successiyely inadeby one side or thevother yadds a certainjnuniber of points to their score. 'lVhen all the players have made conip'ounds` the one oit the highest value on. the board vtaires the triclr, and the playingis then resumed with a clear board. ln' the Villustiyitio-n fo-ii the drawings, .in

A represents three ditl'erent compounds formed by three sets of partners, the second compound being ot thefhighest value the players' correspondingto such coniponndtalre the trick. lt' the 'formula represented bythe cards inY Fig. 3 should at that time represent the. lowest value ioriniila on the board, the higher value card of F ig. 4

maybe substituted for lthe loiver. value card ofthe saine ionizing properties, so as to torni has another op-j because the least common multiple of the valences and atomic values otfthe tvvo elements being combined, give the correct foi-mula, and such inultiplecan be readily computed bythe player. In Fig. l for in-l stance, We have Sie). X 2f-ls-lo and also. equaling sin.

, vlroin the foregoing description it Will be readily seen that I have producedsuch a-gaine as substantially fulfills the objects ofthe invention fortli'herein. A.

While this specification sets forth in detailY the present and preferred construction oifthe d vice, still in practice such deviations from such detail may beresorted to as do not :torni a departure from the spiiit oftheiinvention, as delined by the appended claims.

Having thus describedmy invention what l claim as new and useful. and cure by Letters `liatent is: y Y

l. A gaine comprising cards yall having desire to sethe names ot different chemical elements thereon whereby l a lcoinbinationof certain pairs oi the cards Will representa chemical formula, each card having the ionizationand valence signs of :the corresponding'element printed in all the ycorners of the card.

2. 'Game cards-as in claim l,in which the dilieront atomic values or the elementare closely associated with suclisigns,there being one such value vin eaclicorner.

3. Garne cardsas in claim 1each having the chemical symbol of theV corresponding element, and the prefix or isuiiix ota coinpoundot which said element may be a part, printed adjacent tliecorners of the card.

l., A. gaine comprising cards all having the naines of different chemical elements thereon, ditlei'eiit atomic values ot each element being printed in the different corners of the corresponding card, whereby to enableany one iet' ich cards being separately paired with a n1 iibei oit other cards representing diiiicrent chemical elements to torni a corresponding number of diiierent chemical conjijiiounds. v

In testimony whereof l aiiix my signature.

,orner-,ils Bnoivri. 

